Prevent image resizing in Pages

If I paste in an image into Pages '09, it scales the image, creating something that is either too small, or too large. Trying to resize these is driving me crazy, how can I either prevent this from happening, or quickly get it back to its original size?


In the "Inspector" on the "metrics" tab click "Original Size".

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And for inserting images I prefer from the menu "Insert" and then "Choose..." or ++V

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